Where: Colombia (4.9° N, 73.0° W: paleocoordinates 2.4° N, 64.5° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Areniscas de el Limbo Formation, Middle Eocene (47.8 - 37.7 Ma)
• bed-level stratigraphic resolution
Environment/lithology: fluvial-deltaic; gray claystone
Size class: microfossils
Preservation: original sporopollenin
Collection methods: bulk, chemical,
Primary reference: C. A. Jaramillo and D. L. Dilcher. 2001. Middle Paleogene palynology of Central Colombia, South America: A study of pollen and spores from tropical latitudes. Palaeontographica Abteilung B 258(4-6):87-213 [E. Kowalski/E. Kowalski/C. Jaramillo]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 28862: authorized by Elizabeth Kowalski, entered by Elizabeth Kowalski on 26.02.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
Lycopsida | |
Planisporites sp. Knox 1950
Foveotriletes margaritae Germeraad et al. 1968 | |
Polypodiopsida | |
| |
Cicatricosisporites dorogensis Potonie and Gelletich 1933 | |
Angiospermae | |
Proxapertites cursus van Hoeken-Klinkenberg 1966 | |
Spinizonocolpites grandis n. sp. Jaramillo and Dilcher 2001 palm | |
Monoporopollenites pauciporatus n. sp. grass | |
| |
Echitriporites variabilis n. sp. Jaramillo and Dilcher 2001 | |
Spirosyncolpites pachyexinatus n. sp. legume
Margocolporites sp. Ramanajuan 1966 legume | |
Momipites sp. Wodehouse 1933 | |
Bombacacidites fossureticulatus n. sp. Jaramillo and Dilcher 2001 | |
Dicotyledoneae | |
Lanagiopollis crassa Frederiksen 1988 | |
Magnoliopsida | |
Clavatricolpites densiclavatus n. sp., Baculamonocolpites sp., Baculamonocolpites hammenii n. sp., Rhoipites guianensis, ? Echitetracolpites sp., Siltaria medius
Clavatricolpites densiclavatus n. sp. Jaramillo and Dilcher 2001
Baculamonocolpites sp. Sole de Porta 1971
Baculamonocolpites hammenii n. sp. Jaramillo and Dilcher 2001
? Echitetracolpites sp. Song 1993 | |
Verrutricolporites | |
Retitrescolpites | |
| |
Retibrevitricolporites | |
Retibrevitricolporites grandis n. sp. Jaramillo and Dilcher 2001 | |
Retibrevitricolpites triangulatus | |
Retibrevitricolpites triangulatus van Hoeken-Klinkenberg 1966 | |
Monocolpopollenites | |
Monocolpopollenites ovatus n. sp.
Monocolpopollenites ovatus n. sp. Jaramillo and Dilcher 2001 | |
Retistephanoporites | |
Psilabrevitricolporites | |
| |
Psilamonocolpites medius | |
Psilamonocolpites medius Van der Hammen 1954 | |
Chomotriletes | |
Chomotriletes minor Pocock 1970 | |
Dinophyceae | |
Polysphaeridium subtile Davey and Williams 1966 | |
Tetracolporopollenites | |
? Tetracolporopollenites sp. Pflug and Thomson 1953 | |
Verrustephanocolpites | |